What does precision part processing include?

The standards of precision parts processing industry are very strict, and there are different processes such as cutting in and cutting out in the processing process. The size will also have different specific requirements according to the product, and the machining accuracy requirements will also be different. Generally speaking, the precision of precision machining is very high, and sometimes it can even be accurate to the micron difference below 1mm. If the size difference is very large, the product will become waste, and it needs to be reprocessed to meet the requirements. This process is very time-consuming and laborious. Sometimes it will make all raw materials obsolete, resulting in the addition of cost. At the same time, the parts must be unusable, so there are many requirements for precision parts processing.
What are the requirements for precision parts processing?
(1) Usually, because the cutting amount, heating and cutting force of parts are different for the roughness and accuracy of parts, in order to ensure the machining accuracy of parts, it is necessary to separate the machining of rough parts and precision mechanical parts. If rough machining and precision machining are carried out continuously, the precision of precision machined parts will be lost due to different stresses.
(2) Rationality of equipment selection. The machining of rough parts does not require high machining accuracy, but mainly to reduce machining allowance, so precision machining requires very high-precision machine tools. In the processing of precision parts, heat treatment process is often organized. The orientation organization of the heat treatment process is as follows: in order to improve the cutting performance of metal, such as annealing, normalizing, quenching and tempering, the organization is generally carried out before the machining of mechanical parts.